function NavigationParser() {}

NavigationParser.prototype = {
	LEVEL_UNDEFINED : -1,
	
	parse : function(table) {
		if (table == null || table.length == 0)
			return null;
			
		var data = {};
		
		var prevLevel = this.LEVEL_UNDEFINED;
		var itemStack = [];
		itemStack[0] = data;
		
		for(var i=1; i<table.length; i++) {
			var row = table[i];
			
			var j=0;
			
			var levelStr = row[j++];
			var label = row[j++];
			var stylesColor = row[j++];
			var stylesClasses = row[j++];
			var channelId = row[j++];
			var hints = row[j++];
			var order = row[j++];
			var action = row[j++];
			
			// fields check and conversion
			var level = parseInt(levelStr);
			
			// handle styles
			var styles = null;
			if (stylesColor || stylesClasses) {
				styles = {};
				if (stylesColor)
					styles.id = stylesColor;
				if (stylesClasses)
					styles.className = stylesClasses;
			}

			// handle action
			if (action && (channelId || hints || order)) {
				// error: action conflict => ignore action field
				action = null;
			}
			if (channelId) {
				action = ["clips", [
					"SEARCH", 
					{
						channelID : channelId
					}
				]];
				var actionData = action[1][1];
				
				if (order)
					actionData.order = order;
				
				if (hints) {
					var hintArray = hints.split(/\s/);
					for(var k=0; k<hintArray.length; k++) {
						var hint = hintArray[k];
						
						actionData["hint_" + hint] = 1;
					}
				}
			}
			else if (action) {
				action = ["clips", action];
			}


			// create item
			var item = {
				label : label,
				styles : styles,
				action : action
			};

			// insert item in tree
			// @todo check level, clean stack
			if (!itemStack[level].children) {
				itemStack[level].children = [];
			}
			itemStack[level].children.push(item);
			itemStack[level + 1] = item;
			
			// save previous values
			prevLevel = level;
		}
		
		return data;
	}
}


function parseNavigation(table) {
	var data = new NavigationParser().parse(table);
	return data;
}


var NAVIGATION_DATA = parseNavigation([
["LEVEL", "LABEL", "COLOR.STYLE", "CLASS.STYLE", "CHANNEL ID", "HINTS", "ORDER", "ACTION"],
[0, "All", "lightgrey", null, null, null, null, ["SEARCH",{}]],
[0, "Highlights", "lightgrey", null, "179855", null, "FEATURED", null],
[0, "Film", "aquamarine", "category", null, null, null, null],
[1, null, null, "self", null, null, null, null],
[2, "All", null, "all", "180156", "no_featured", null, null],
[2, "Highlights", null, "hilite", "179807", null, "FEATURED", null],
[1, "Categories", null, "categories", null, null, null, null],
[2, "Action & Adventure", null, null, "179904", "no_featured", null, null],
[2, "Animation & Anime", null, null, "179906", "no_featured", null, null],
[2, "Classics", null, null, "179908", "no_featured", null, null],
[2, "Comedy", null, null, "179907", "no_featured", null, null],
[2, "Clips & Interviews", null, null, "179909", "no_featured", null, null],
[2, "Documentary", null, null, "179910", "no_featured", null, null],
[2, "Horror & Thriller", null, null, "179912", "no_featured", null, null],
[2, "Shorts", null, null, "179905", "no_featured", null, null],
[2, "Other", null, null, "10000068", "no_featured", null, null],
[1, "Branded Channels", null, "brandedchannels", null, null, null, null],
[2, "2010 FIND Independent Spirit Awards", null, null, "180477", null, null, null],
[2, "Cinelan", null, null, "161985", null, null, null],
[2, "Colors of Bollywood", null, null, "132352", null, null, null],
[2, "Doodlez", null, null, "180349", null, null, null],
[2, "Encounters 2009", null, null, "180328", null, null, null],
[2, "Encounters best of", null, null, "180368", null, null, null],
[2, "Film@11", null, null, "180346", null, null, null],
[2, "FilmBuff", null, null, "180180", null, null, null],
[2, "GONG", null, null, "21233", null, null, null],
[2, "Hamptons International Film Festival", null, null, "180353", null, null, null],
[2, "iThentic Best Of", null, null, "180573", null, null, null],
[2, "Los Angeles Film Festival", null, null, "180197", null, null, null],
[2, "Power to the Pixel", null, null, "180321", null, null, null],
[2, "Reverse Shot", null, null, "180548", null, null, null],
[2, "Rushes Soho Shorts 2008", null, null, "145430", null, null, null],
[2, "Raindance TV ", null, null, "110605", null, null, null],
[2, "Shooting People", null, null, "180547", null, null, null],
[2, "Spike & Mike", null, null, "180216", null, null, null],
[2, "Spirit Awards Retrospective", null, null, "180537", null, null, null],
[2, "T5M", null, null, "180201", null, null, null],
[2, "Trailers from Hell", null, null, "180387", null, null, null],
[2, "Your Geek News", null, null, "180220", null, null, null],
[1, "Competitions", null, "competitions", null, null, null, null],
[2, "Online Film Festival 09", null, null, "168215", null, null, null],
[3, "Winners", null, null, "180186", null, null, null],
[3, "Shortlist", null, null, "180178", null, null, null],
[3, "Animation", null, null, "177630", "no_featured", null, null],
[3, "Documentary", null, null, "177631", "no_featured", null, null],
[3, "Mini-Masterpiece", null, null, "177629", "no_featured", null, null],
[3, "Short Film", null, null, "177628", "no_featured", null, null],
[0, "Music", "red", "category", null, null, null, null],
[1, null, null, "self", null, null, null, null],
[2, "All", null, "all", "180157", "no_featured", null, null],
[2, "Highlights", null, "hilite", "179808", null, "FEATURED", null],
[1, "Categories", null, "categories", null, null, null, null],
[2, "Alternative", null, null, "179857", "no_featured", null, null],
[2, "Electronic ", null, null, "179858", "no_featured", null, null],
[2, "Live Concerts", null, null, "179859", "no_featured", null, null],
[2, "Music Videos", null, null, "179860", "no_featured", null, null],
[2, "Interviews and Profiles", null, null, "179861", "no_featured", null, null],
[1, "Branded Channels", null, "brandedchannels", null, null, null, null],
[2, "Aux TV", null, null, "160453", null, null, null],
[2, "Baeble Music", null, null, "104935", null, null, null],
[2, "DigForFire.tv", null, null, "180238", null, null, null],
[2, "Es Musica", null, null, "180541", null, null, null],
[2, "Gorillaz - WEB", null, null, "136855", null, null, null],
[2, "Hip hop official", null, null, "180518", null, null, null],
[2, "Kasabian", null, null, "180206", null, null, null],
[2, "Rockfeedback", null, null, "160041", null, null, null],
[2, "The Prodigy", null, null, "180208", null, null, null],
[2, "True Country", null, null, "180542", null, null, null],
[0, "Comedy", "orange", "category", null, null, null, null],
[1, null, null, "self", null, null, null, null],
[2, "All", null, "all", "180158", "no_featured", null, null],
[2, "Highlights", null, "hilite", "179809", null, "FEATURED", null],
[1, "Categories", null, "categories", null, null, null, null],
[2, "Animation", null, null, "10000013", "no_featured", null, null],
[2, "Comedy Series", null, null, "10000014", "no_featured", null, null],
[2, "Offbeat", null, null, "10000015", "no_featured", null, null],
[2, "Satire", null, null, "10000016", "no_featured", null, null],
[2, "Sitcom", null, null, "10000017", "no_featured", null, null],
[2, "Sketches", null, null, "10000018", "no_featured", null, null],
[2, "Stand Up", null, null, "10000019", "no_featured", null, null],
[2, "Stunts & Pranks", null, null, "10000020", "no_featured", null, null],
[1, "Branded Channels", null, "brandedchannels", null, null, null, null],
[2, "Fun Little Movies", null, null, "104930", null, null, null],
[2, "Funny4Females", null, null, "180225", null, null, null],
[2, "Funny or Die", null, null, "180272", null, null, null],
[2, "My Damn Channel", null, null, "180330", null, null, null],
[2, "Onion News Network", null, null, "180329", null, null, null],
[0, "Our Earth", "green", "category", null, null, null, null],
[1, null, null, "self", null, null, null, null],
[2, "All", null, "all", "180159", "no_featured", null, null],
[2, "Highlights", null, "hilite", "179811", null, "FEATURED", null],
[1, "Categories", null, "categories", null, null, null, null],
[2, "Nature", null, null, "179862", "no_featured", null, null],
[2, "Environmental issues", null, null, "179863", "no_featured", null, null],
[2, "Eco Action", null, null, "179894", "no_featured", null, null],
[2, "Freaky Nature", null, null, "180301", null, null, null],
[2, "Healthy Living", null, null, "179895", "no_featured", null, null],
[2, "Outdoor Sports", null, null, "179896", "no_featured", null, null],
[1, "Branded Channels", null, "brandedchannels", null, null, null, null],
[2, "BBC Love Earth", null, null, "142833", null, null, null],
[2, "Earth Touch", null, null, "180196", null, null, null],
[2, "Good", null, null, "180218", null, null, null],
[2, "Green TV", null, null, "104928", null, null, null],
[0, "Metropolis", "rust", "category", null, null, null, null],
[1, null, null, "self", null, null, null, null],
[2, "All", null, "all", "180160", "no_featured", null, null],
[2, "Highlights", null, "hilite", "179810", null, "FEATURED", null],
[1, "Categories", null, "categories", null, null, null, null],
[2, "Art & Design", null, null, "180396", "no_featured", null, null],
[2, "Street Art & Graffiti", null, null, "180397", "no_featured", null, null],
[2, "Bikes & Boards", null, null, "179901", "no_featured", null, null],
[2, "London", null, null, "180401", "no_featured", null, null],
[2, "Berlin", null, null, "180402", "no_featured", null, null],
[2, "Paris", null, null, "180403", "no_featured", null, null],
[2, "Tokyo", null, null, "180404", "no_featured", null, null],
[2, "New York", null, null, "180405", "no_featured", null, null],
[2, "Events", null, null, "179902", "no_featured", null, null],
[1, "Branded Channels", null, "brandedchannels", null, null, null, null],
[2, "Metropolis Art Prize", null, null, "180300", null, null, null],
[2, "Bomb It", null, null, "180281", null, null, null],
[2, "Cool Hunting", null, null, "180273", null, null, null],
[2, "ELLEuk.com", null, null, "180569", null, null, null],
[2, "ImprovEverywhere", null, null, "180195", null, null, null],
[2, "Lonely Planet", null, null, "136853", null, null, null],
[2, "New York Times", null, null, "180221", null, null, null],
[2, "The Resident", null, null, "180229", null, null, null],
[2, "Time Out", null, null, "180530", null, null, null],
[2, "Urbanation", null, null, "136854", null, null, null],
[2, "VBS TV", null, null, "147112", null, null, null],
[0, "More", "grey", "more", null, null, null, null],
[1, null, null, "self", null, null, null, null],
[2, "All", null, "all", "179856", "no_featured", null, null],
[1, "Branded Channels", null, "brandedchannels", null, null, null, null],
[2, "AP Review of the Year", null, null, "104927", null, null, null],
[2, "BBC Entertainment", null, null, "143502", null, null, null],
[2, "BBC Knowledge", null, null, "142834", null, null, null],
[2, "Biografilm Channel ", null, null, "113364", null, null, null],
[2, "Cinetic", null, null, "180180", null, null, null],
[2, "Circuito Off", null, null, "104961", null, null, null],
[2, "Comedy.com", null, null, "158825", null, null, null],
[2, "Community Channel", null, null, "104929", null, null, null],
[2, "DC Independent Film Festival", null, null, "119851", null, null, null],
[2, "Encounters Short 2008", null, null, "158171", null, null, null],
[2, "Encounters Fringe 2008", null, null, "158175", null, null, null],
[2, "Heavy Channel", null, null, "137852", null, null, null],
[2, "iLaugh", null, null, "104942", null, null, null],
[2, "Independent Comedy Network", null, null, "104941", null, null, null],
[2, "Indie Flix", null, null, "180182", null, null, null],
[2, "Journeyman Pictures", null, null, "104934", null, null, null],
[2, "Montecatini FilmVideo", null, null, "142439", null, null, null],
[2, "Movieola", null, null, "136852", null, null, null],
[2, "My Planet: ZED Documentaries", null, null, "104926", null, null, null],
[2, "Paranormal TV", null, null, "105275", null, null, null],
[2, "PBS", null, null, "113366", null, null, null],
[2, "Pilot Guides: Travel & Culture", null, null, "144258", null, null, null],
[2, "Renderyard TV", null, null, "104962", null, null, null],
[2, "Rethink Travel", null, null, "104933", null, null, null],
[2, "Rushes Soho Fringe 2008", null, null, "145431", null, null, null],
[2, "See & Enjoy", null, null, "113365", null, null, null],
[2, "Serie A Italian Football", null, null, "63867", null, null, null],
[2, "Target Comedy", null, null, "104931", null, null, null],
[2, "The Underwater Channel.tv", null, null, "153066", null, null, null],
[2, "Vidcat Fashion Archive", null, null, "104939", null, null, null],
[2, "Wedding TV", null, null, "113338", null, null, null],
[2, "Wyllie O Hagan", null, null, "108732", null, null, null],
[2, "YoungCuts Film Festival", null, null, "148205", null, null, null],
[2, "Xtreme Video", null, null, "151160", null, null, null],
[0, "Favorites", "white", "recommended", null, null, null, ["PLAYLIST",{}]]
]);